Sins: the Supernova Intensive Study

Details Sins: the Supernova Intensive Study Sins: the Supernova Intensive Study

Jul 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994hst..prop.5753k&link_type=abstract

HST Proposal ID #5753

Physics

Hst Proposal Id #5753 Interstellar Medium Sn &Amp, Snr

Scientific paper

We are now underway in our intensive study of supernovae with HST. This long-term project promises to illuminate problems in stellar evolution, the mechanism of stellar explosion, nucleosynthesis, the energetics of interstellar gas, and the extragalactic distance scale. Initial observations, starting in the Spring of 1992, show that HST observations of SN 1987A are rich in content and that these high-minded goals can actually be achieved. Our HST observations of a new supernova, SN1992A, demonstrate that Target-of-Opportunity observations with HST are worth the effort. We were poised to observe SN 1993J in M81 and we obtained a beautiful UV/optical spectrum from an early epoch of this peculiar supernova. Our long-term plan is to continue the imaging and spectroscopy of SN 1987A, to obtain unprecedented late-time UV spectra of SN 1993J, and to realize the promise of our Cycle 1 proposal by following the late-time light curves of SN 1992A and SN 1993J. SN 1992A and SN 1993J demonstrated our ability to orchestrate observations from the ground, with IUE, and from HST to investigate important issues in supernova research.

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